TREA

Kevin M. Field

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  • Oconomowoc, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Blower and method of conveying fluids
    • Patent number 7,354,244
    • Issue date Apr 8, 2008
    • AOS Holding Company
    • Michael Robert Hasbargen
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Rooftop water heater
    • Patent number 7,277,627
    • Issue date Oct 2, 2007
    • AOS Holding Company
    • Dennis R. Hughes
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Airflow apparatus
    • Patent number 6,948,454
    • Issue date Sep 27, 2005
    • AOS Holding Company
    • Dennis R. Hughes
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Water heater having flue damper with airflow apparatus
    • Patent number 6,745,724
    • Issue date Jun 8, 2004
    • AOS Holding Company
    • Dennis R. Hughes
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Rooftop water heater
    • Patent number 6,679,014
    • Issue date Jan 20, 2004
    • AOS Holding Company
    • Dennis R. Hughes
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Rooftop water heater
    • Patent number 6,591,788
    • Issue date Jul 15, 2003
    • AOS Holding Company
    • Dennis R. Hughes
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Water heater flue system
    • Patent number 6,422,179
    • Issue date Jul 23, 2002
    • AOS Holding Company
    • Dennis R. Hughes
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Water heater flue system
    • Patent number 6,286,465
    • Issue date Sep 11, 2001
    • AOS Holding Company
    • Dennis R. Hughes
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Combined potable water heater and hydronic heating system
    • Patent number 6,202,935
    • Issue date Mar 20, 2001
    • AOS Holding Company
    • Marc W. Akkala
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

  • Information Patent Application

    Blower and method of conveying fluids
    • Publication number 20060065211
    • Publication date Mar 30, 2006
    • AOS Holding Company
    • Michael Robert Hasbargen
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Airflow apparatus
    • Publication number 20040206311
    • Publication date Oct 21, 2004
    • AOS Holding Company
    • Dennis R. Hughes
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Water heater having flue damper with airflow apparatus
    • Publication number 20030196610
    • Publication date Oct 23, 2003
    • AOS Holding Company
    • Dennis R. Hughes
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Rooftop water heater
    • Publication number 20030123863
    • Publication date Jul 3, 2003
    • AOS Holding Company
    • Dennis R. Hughes
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Rooftop water heater
    • Publication number 20030041554
    • Publication date Mar 6, 2003
    • AOS Holding Company
    • Dennis R. Hughes
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Rooftop water heater
    • Publication number 20020069868
    • Publication date Jun 13, 2002
    • Dennis R. Hughes
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Water heater flue system
    • Publication number 20010035135
    • Publication date Nov 1, 2001
    • AOS Holding Company
    • Dennis R. Hughes
    • F28 - HEAT EXCHANGE IN GENERAL